TEKS.MATH.9-12.III.A.3

Find missing side

• 5
• 7
• 9
• 11

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TEKS.MATH.9-12.III.A.3

Use the 45-45-90 theorem to solve for the hypotenuse.

• 16

• 8

• 8√2

• √16

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TEKS.MATH.9-12.III.A.3

Which side is the short leg of this 30-60-90 triangle?

• 6
• m
• n

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TEKS.MATH.9-12.III.A.3

sin^-1[cosπ]

• 0
• π
• π/2
• -π/2

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TEKS.MATH.9-12.III.A.3

What are x and y in this 30-60-90 triangle?

• x = 6 y = 3√3
• x = 3√2 y = 3
• x = 3√3 y = 6
• x = 3√3 y = 3√2

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TEKS.MATH.9-12.III.A.3

What is the measure of x?

• 12
• 15
• 6
• 9

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TEKS.MATH.9-12.III.A.3

Is this triangle a right triangle?

• yes
• no

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TEKS.MATH.9-12.III.A.3

Solve for x.

• 30°
• 45°
• 60°
• 90°

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TEKS.MATH.9-12.III.A.3

What is the exact coordinates of  3π/4 on the unit circle?

• (−√2∕2, √2∕2)
• (−√2∕2, −√2∕2)
• (−√3∕2, −√2∕2)
• (√2∕2, −√2∕2)

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TEKS.MATH.9-12.III.A.3

cos²x =

• 1 - sec²x

• 1 - sin²x

• sin²x

• 1

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TEKS.MATH.9-12.III.A.3